Improved roofing-cement



UNITED STATES PATENT ()FFICE.

JESSE STOYV, OF GENEVA, AND JAMES WHITE, OF CLEVELAND, OHIO.

IMPROVED ROOFING-CEMENT.

Specification forming part of Letters Patent N0. 58, 148, dated September 18, 1866.

To all whom it may concern:

Beit known that we, JESSE STOW, of Geneva, in the countyofAshtabula and State of Ohio, and JAMES WHITE, of Oleveland,in the county of Guyahoga and State of Ohio, have invented new and useful Im provemcnts in Plastic Roofing-Cement; and we do hereby declare that the following is a full and complete description of the construction and operation of the same.

The nature of our invention consists in the formation of a plastic material for roofing purposes, which can be laid. on with a trowel to the thickness of a quarter of an inch or more, forming, when set, a hard mass that is slightly elastic or flexible, and wholly impervious to water, and suffioientlyadhesiye to.

stick to the board or other body upon which it is laid. 5

To form this plastic roofing-cement we take two parts of coal-tar, or some other form of soft bitumen two parts of indurated clay,

(aluminous eartln) finely pulverized; one part Water-lime, ground; one part slaked quicklime, (caustic oxide of calcium one part fine sand, (oxide of silicon,) and one part of pulverized coke or anthracite coal, and a sufficient quantity of naphtha, mineral or other oil to give the mass the desired consistency.

The ingredients are thoroughly mixed and the compound is ready for use, and can be laid with a trowel upon roofing-boards, lath, roofin gpaper, or other suitable material.

What we claim as our im provement, and desire to secure by Letters Patent, is-- A plastic roofing'cement composed of the ingredients herein named and compounded as specified.

JESSE STOW.

JAMES WHITE.

Witnesses:

W. H. BURRIDGE, E. E. WAITE. 

